the obama administration says that if that is true, that would be the red line the president has set in the past but they haven't said whether they have the intelligence evidence to prove it. i spoke to an israeli high government source who said we're not saying anything about that right now for good reason but they promised it would be part of the private conversations between the president and the prime minister. john and christine. >> john, it really does seem like this symbolic trip, was supposed to be a symbolic trip has brought in new urgency with what's going on in syria. let's bring in chris and katherine. >> i was wondering, what are you hearing from folks on the ground about iran? you know, the conversation between the president and the prime minister. is there some sense that there's going to be an announcement at the end of this trip one way or the other or is this all behind the scenes and we're not going to see anything publicly until later down the road? >> reporter: there's no question both leaders will talk about it because they will be asked about it when they have